Characteristics and Functions•Characteristics–Semirigid, weaker than bone–Flexible and resilient due to elastic fibers and water content–Avascular•Receives nutrient supply through diffusion•Functions–Support soft tissues–Articular surfaces for joints–Provide a model for endochondralbone formation

Structure of Cartilage•Chondroblasts–Produce matrix of cartilage•Chondrocytes–Mature cartilage cells –Reside in lacunae•Extracellular Matrix•Perichondrium–Made of dense connective tissue–Provides mechanical support and protectionPerichondriumChondroblast

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Functions of Bone•Support and protect–Create framework of the body –Protect many vital organs from injury and trauma•Movement–Serve as attachment sites for muscles•Hemopoiesis(Hematopoiesis)–Red bone marrow•Storage of minerals and energy reserves–Calcium phosphate–Yellow bone marrow

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